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Merge pull request #2397 from Subv/pulse

Kernel: Implemented Pulse event and timers.
This commit is contained in:
bunnei 2017-01-10 10:45:00 -05:00 committed by GitHub
commit 84d72fd92f
5 changed files with 20 additions and 13 deletions

View File

@ -22,11 +22,6 @@ SharedPtr<Event> Event::Create(ResetType reset_type, std::string name) {
evt->reset_type = reset_type;
evt->name = std::move(name);
if (reset_type == ResetType::Pulse) {
LOG_ERROR(Kernel, "Unimplemented event reset type Pulse");
UNIMPLEMENTED();
}
return evt;
}
@ -37,8 +32,7 @@ bool Event::ShouldWait(Thread* thread) const {
void Event::Acquire(Thread* thread) {
ASSERT_MSG(!ShouldWait(thread), "object unavailable!");
// Release the event if it's not sticky...
if (reset_type != ResetType::Sticky)
if (reset_type == ResetType::OneShot)
signaled = false;
}
@ -51,4 +45,11 @@ void Event::Clear() {
signaled = false;
}
void Event::WakeupAllWaitingThreads() {
WaitObject::WakeupAllWaitingThreads();
if (reset_type == ResetType::Pulse)
signaled = false;
}
} // namespace

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@ -38,6 +38,8 @@ public:
bool ShouldWait(Thread* thread) const override;
void Acquire(Thread* thread) override;
void WakeupAllWaitingThreads() override;
void Signal();
void Clear();

View File

@ -157,7 +157,7 @@ public:
* Wake up all threads waiting on this object that can be awoken, in priority order,
* and set the synchronization result and output of the thread.
*/
void WakeupAllWaitingThreads();
virtual void WakeupAllWaitingThreads();
/// Obtains the highest priority thread that is ready to run from this object's waiting list.
SharedPtr<Thread> GetHighestPriorityReadyThread();

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@ -31,11 +31,6 @@ SharedPtr<Timer> Timer::Create(ResetType reset_type, std::string name) {
timer->interval_delay = 0;
timer->callback_handle = timer_callback_handle_table.Create(timer).MoveFrom();
if (reset_type == ResetType::Pulse) {
LOG_ERROR(Kernel, "Unimplemented timer reset type Pulse");
UNIMPLEMENTED();
}
return timer;
}
@ -70,6 +65,13 @@ void Timer::Clear() {
signaled = false;
}
void Timer::WakeupAllWaitingThreads() {
WaitObject::WakeupAllWaitingThreads();
if (reset_type == ResetType::Pulse)
signaled = false;
}
/// The timer callback event, called when a timer is fired
static void TimerCallback(u64 timer_handle, int cycles_late) {
SharedPtr<Timer> timer =

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@ -42,6 +42,8 @@ public:
bool ShouldWait(Thread* thread) const override;
void Acquire(Thread* thread) override;
void WakeupAllWaitingThreads() override;
/**
* Starts the timer, with the specified initial delay and interval.
* @param initial Delay until the timer is first fired